1 files changed, 114 insertions, 0 deletions
diff --git a/ace/SOCK_IO.cpp b/ace/SOCK_IO.cpp
new file mode 100644
index 00000000000..a09be6ce5a6
--- /dev/null
+++ b/ace/SOCK_IO.cpp
@@ -0,0 +1,114 @@
+// SOCK_IO.cpp
+// $Id$
+
+#define ACE_BUILD_DLL
+#include "ace/SOCK_IO.h"
+
+ACE_ALLOC_HOOK_DEFINE(ACE_SOCK_IO)
+
+void
+ACE_SOCK_IO::dump (void) const
+{
+  ACE_TRACE ("ACE_SOCK_IO::dump");
+}
+
+// Allows a client to read from a socket without having to provide
+// a buffer to read.  This method determines how much data is in the
+// socket, allocates a buffer of this size, reads in the data, and
+// returns the number of bytes read.
+
+ssize_t
+ACE_SOCK_IO::recv (iovec *io_vec)
+{
+#if defined (FIONREAD)
+  u_long inlen;
+
+  if (ACE_OS::ioctl (this->get_handle (), FIONREAD,
+                     (u_long *) &inlen) == -1)
+    return -1;
+  else if (inlen > 0)
+    {
+      io_vec->iov_base = new char[inlen];
+      io_vec->iov_len = this->recv (io_vec->iov_base, inlen);
+      return io_vec->iov_len;
+    }
+  else
+#endif /* FIONREAD */
+  // Could return ACE_NOTSUP_RETURN
+    return 0; 
+}
+
+// Send N char *ptrs and int lengths.  Note that the char *'s precede
+// the ints (basically, an varargs version of writev).  The count N is
+// the *total* number of trailing arguments, *not* a couple of the
+// number of tuple pairs!
+
+ssize_t
+ACE_SOCK_IO::send (size_t n, ...) const
+{
+  ACE_TRACE ("ACE_SOCK_IO::send");
+
+  va_list argp;  
+  size_t total_tuples = n / 2;
+  ssize_t result;
+#if defined (ACE_HAS_ALLOCA)
+  iovec *iovp = (iovec *) alloca (total_tuples * sizeof (iovec));
+#else 
+  iovec *iovp;
+  ACE_NEW_RETURN (iovp, iovec[total_tuples], -1);
+#endif /* !defined (ACE_HAS_ALLOCA) */
+
+  va_start (argp, n);
+
+  for (size_t i = 0; i < total_tuples; i++)
+    {
+      iovp[i].iov_base = va_arg (argp, char *);
+      iovp[i].iov_len  = va_arg (argp, int);
+    }
+
+  result = ACE_OS::writev (this->get_handle (), iovp, total_tuples);
+#if !defined (ACE_HAS_ALLOCA)
+  delete [] iovp;
+#endif /* !defined (ACE_HAS_ALLOCA) */
+  va_end (argp);
+  return result;
+}
+
+// This is basically an interface to ACE_OS::readv, that doesn't use
+// the struct iovec explicitly.  The ... can be passed as an arbitrary
+// number of (char *ptr, int len) tuples.  However, the count N is the
+// *total* number of trailing arguments, *not* a couple of the number
+// of tuple pairs!
+
+ssize_t
+ACE_SOCK_IO::recv (size_t n, ...) const
+{
+  ACE_TRACE ("ACE_SOCK_IO::recv");
+
+  va_list argp;  
+  size_t  total_tuples = n / 2;
+  ssize_t result;
+#if defined (ACE_HAS_ALLOCA)
+  iovec *iovp = (iovec *) alloca (total_tuples * sizeof (iovec));
+#else
+  iovec *iovp;
+  
+  ACE_NEW_RETURN (iovp, iovec[total_tuples], -1);
+#endif /* !defined (ACE_HAS_ALLOCA) */
+
+  va_start (argp, n);
+
+  for (size_t i = 0; i < total_tuples; i++)
+    {
+      iovp[i].iov_base = va_arg (argp, char *);
+      iovp[i].iov_len  = va_arg (argp, int);
+    }
+
+  result = ACE_OS::readv (this->get_handle (), iovp, total_tuples);
+#if !defined (ACE_HAS_ALLOCA)
+  delete [] iovp;
+#endif /* !defined (ACE_HAS_ALLOCA) */
+  va_end (argp);
+  return result;
+}
+